McDonnell & Miller Low Water Cut-Off for Steam Boilers #179524 - Automatic Safety Shutoff Device for Home & Commercial Heating Systems

McDonnell & Miller Series RS High Pressure Remote Sensor, RS1BR1, 1 Level NEMA 4X Enclosure. For sophisticated multi-level control in tanks, boilers and hydronic systems. Remote sensors, which thread into the top of the boiler or tank, are available with 1, 2, 3, 4 or 5 probes of ° F CB DA Probe varying lengths that can easily be cut to desired set points. Probe lengths 12 - 72 (2. 5 - 183cm) in 12 (2. 5cm) increments (purchased separately). Control, remote sensor and probe(s) must be ordered separately. Order Spacer S-4 when 2 or more probes greater than 36 (914mm) will be used. No blow down required. Maximum Temperature 406°F (208°C). Maximum Pressure 250 psig (17. 6 kg/cm. Made in the USA .